SecturaFAB uses different unit types.
Here is a list of acceptable units and abbreviation.
Length Units
meter, m
meters, m
millimeter, mm
millimeters, mm
centimeter, cm
centimeters, cm
inch, in
inches, in
foot, ft
feet, ft
yard, yd
yards, yd
mile, mi
miles, mi
Surface Units
millimeter2, sq mm
centimeter2, sq cm
meter2, sq m
inch2, sq in
foot2, sq ft
yard2, sq yd
Volume Units
liter, l
milliliter, ml
centiliter, cl
millimeter3, mm3
centimeter3, cm3
meter3, m3
inch3, in3
feet3, ft3
gallon, US gal
Time Units
second, s
microsecond, μs
millisecond, ms
minute, min
hour, h
day, d